Ethylenically unsaturated blocked aromatic diisocyanates

Details Ethylenically unsaturated blocked aromatic diisocyanates Ethylenically unsaturated blocked aromatic diisocyanates

1976-10-22

1978-09-12

Torrence, Dolph H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260 292TN, 260 296R, 260859R, 560 9, 560 27, 560 28, 560 29, 560 33, 528 45, C07C12506

Patent

active

041139585

ABSTRACT:
Ethylenically unsaturated blocked aromatic diisocyanates are prepared which readily polymerize to form homopolymers and interpolymers with copolymerizable vinylidene monomers. Polymers can be prepared via emulsion polymerization, and exhibit excellent stability to hydrolysis when stored in latex form. The polymers cure at temperatures as low as 80.degree. C., and under acidic, neutral, or basic pH conditions. Homopolymers and interpolymers of the defined diisocyanates are useful as adhesives, and interpolymers of the ethylenically unsaturated blocked aromatic diisocyanates with acrylate monomers are particularly useful as binders for nonwoven fibers.

REFERENCES:
patent: 3660143 (1972-05-01), Johnson et al.
patent: 3694389 (1972-09-01), Levy
patent: 3723372 (1973-03-01), Wakimoto et al.
patent: 3883483 (1975-05-01), Anderson et al.
patent: 3897381 (1975-07-01), Tugukuni et al.
patent: 3914335 (1975-10-01), Tugukuni et al.

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